/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read;

import org.apache.iotdb.commons.exception.IllegalPathException;
import org.apache.iotdb.commons.path.PartialPath;
import org.apache.iotdb.db.mpp.common.header.ColumnHeader;
import org.apache.iotdb.db.mpp.common.header.ColumnHeaderConstant;
import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode;
import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNodeId;
import org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNodeType;
import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils;

import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

public class LevelTimeSeriesCountNode extends SchemaQueryScanNode {
    private final int level;
    private final String key;
    private final String value;
    private final boolean isContains;

    public LevelTimeSeriesCountNode(
            PlanNodeId id,
            PartialPath partialPath,
            boolean isPrefixPath,
            int level,
            String key,
            String value,
            boolean isContains) {
        super(id, partialPath, isPrefixPath);
        this.level = level;
        this.key = key;
        this.value = value;
        this.isContains = isContains;
    }

    public int getLevel() {
        return level;
    }

    public String getKey() {
        return key;
    }

    public String getValue() {
        return value;
    }

    public boolean isContains() {
        return isContains;
    }

    @Override
    public PlanNode clone() {
        return new LevelTimeSeriesCountNode(
                getPlanNodeId(), path, isPrefixPath, level, key, value, isContains);
    }

    @Override
    public List<String> getOutputColumnNames() {
        return ColumnHeaderConstant.countLevelTimeSeriesColumnHeaders.stream()
                .map(ColumnHeader::getColumnName)
                .collect(Collectors.toList());
    }

    @Override
    protected void serializeAttributes(ByteBuffer byteBuffer) {
        PlanNodeType.LEVEL_TIME_SERIES_COUNT.serialize(byteBuffer);
        ReadWriteIOUtils.write(path.getFullPath(), byteBuffer);
        ReadWriteIOUtils.write(isPrefixPath, byteBuffer);
        ReadWriteIOUtils.write(level, byteBuffer);
        ReadWriteIOUtils.write(key, byteBuffer);
        ReadWriteIOUtils.write(value, byteBuffer);
        ReadWriteIOUtils.write(isContains, byteBuffer);
    }

    @Override
    protected void serializeAttributes(DataOutputStream stream) throws IOException {
        PlanNodeType.LEVEL_TIME_SERIES_COUNT.serialize(stream);
        ReadWriteIOUtils.write(path.getFullPath(), stream);
        ReadWriteIOUtils.write(isPrefixPath, stream);
        ReadWriteIOUtils.write(level, stream);
        ReadWriteIOUtils.write(key, stream);
        ReadWriteIOUtils.write(value, stream);
        ReadWriteIOUtils.write(isContains, stream);
    }

    public static PlanNode deserialize(ByteBuffer buffer) {
        String fullPath = ReadWriteIOUtils.readString(buffer);
        PartialPath path;
        try {
            path = new PartialPath(fullPath);
        } catch (IllegalPathException e) {
            throw new IllegalArgumentException("Cannot deserialize DevicesSchemaScanNode", e);
        }
        boolean isPrefixPath = ReadWriteIOUtils.readBool(buffer);
        int level = ReadWriteIOUtils.readInt(buffer);
        String key = ReadWriteIOUtils.readString(buffer);
        String value = ReadWriteIOUtils.readString(buffer);
        boolean isContains = ReadWriteIOUtils.readBool(buffer);
        PlanNodeId planNodeId = PlanNodeId.deserialize(buffer);
        return new LevelTimeSeriesCountNode(
                planNodeId, path, isPrefixPath, level, key, value, isContains);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        if (!super.equals(o)) {
            return false;
        }
        LevelTimeSeriesCountNode that = (LevelTimeSeriesCountNode) o;
        return level == that.level;
    }

    @Override
    public int hashCode() {
        return Objects.hash(super.hashCode(), level);
    }

    @Override
    public String toString() {
        return String.format(
                "LevelTimeSeriesCountNode-%s:[DataRegion: %s]",
                this.getPlanNodeId(), this.getRegionReplicaSet());
    }
}
